A new performance package has been released by the German-based tuning firm Inden-Design for the Mercedes-Benz S500 4MATIC. In the standard S 500 4MATIC, the 5.5-litre V8 engine produces an output of 388 HP accelerating the all-wheel-drive luxury sedan from 0 to 100 km/h (62mph) in 5.4 seconds.Thanks to Inden Design’s work, the reprogrammed engine control unit has managed to add more 27 HP to the 5.5 V8 raising its total output to 415 HP.On the tuning program for the S500 there is also a suspension that lowers the car by 45mm and a sport exhaust system with four tail pipes. The wheels are the classic BBS Le MAns in 20-inch with 245/35 R20 tires in front and 285/30R20 at the rear.